RT1>en
RT1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
RT1(config)#int g0/2
RT1(config-if)#ip add 192.168.1.1 255.255.255.0
RT1(config-if)#no shut
RT1(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up
Konfigurasi Router Cisco RT2
RT2>en
RT2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
RT2(config)#int g0/2
RT2(config-if)#ip add 192.168.2.1 255.255.255.0
RT2(config-if)#no shut
RT2(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up
Konfigurasi Router Cisco RT3
RT3>en
RT3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
RT3(config)#int g0/2
RT3(config-if)#ip add 192.168.3.1 255.255.255.0
RT3(config-if)#no shut
RT3(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up
Konfigurasi IP Address di PC silahkan di browsing di tempat lain. Sampai disini kita anggap semua PC sudah ter-konfigurasi IP Address. Selanjutnya kita akan melakukan Konfigurasi Routing OSPF.
Konfigurasi Routing OSPF RT1
RT1>en
RT1#conf t
RT1(config)#router ospf 10
RT1(config-router)#network 10.0.1.0 0.0.0.3 area 10
RT1(config-router)#network 10.0.3.0 0.0.0.3 area 10
RT1(config-router)#network 192.168.1.0 0.0.0.255 area 10
RT1(config-router)#exit
RT1(config)#exit
RT1#
RT2>en
RT2#conf t
RT2(config)#router ospf 10
RT2(config-router)#network 10.0.1.0 0.0.0.3 area 10
RT2(config-router)#network 10.0.2.0 0.0.0.3 area 10
RT2(config-router)#network 192.168.2.0 0.0.0.255 area 10
RT2(config-router)#exit
RT2(config)#exit
RT2#
RT3>en
RT3#conf t
RT3(config)#router ospf 10
RT3(config-router)#network 10.0.2.0 0.0.0.3 area 10
RT3(config-router)#network 10.0.3.0 0.0.0.3 area 10
RT3(config-router)#network 192.168.3.0 0.0.0.255 area 10
RT3(config-router)#exit
RT3(config)#exit
RT3#
Lihat hasil konfigurasi, apakah pada table route sudah terdapat routing ospf?
RT1#sh ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
C 10.0.1.0/30 is directly connected, GigabitEthernet0/0
L 10.0.1.1/32 is directly connected, GigabitEthernet0/0
O 10.0.2.0/30 [110/2] via 10.0.1.2, 00:00:50, GigabitEthernet0/0
[110/2] via 10.0.3.1, 00:00:50, GigabitEthernet0/1
C 10.0.3.0/30 is directly connected, GigabitEthernet0/1
L 10.0.3.2/32 is directly connected, GigabitEthernet0/1
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.1.0/24 is directly connected, GigabitEthernet0/2
L 192.168.1.1/32 is directly connected, GigabitEthernet0/2
O 192.168.2.0/24 [110/2] via 10.0.1.2, 00:02:57, GigabitEthernet0/0
O 192.168.3.0/24 [110/2] via 10.0.3.1, 00:00:50, GigabitEthernet0/1
Oke, Sampai disini kita bisa lihat bahwa routing OSPF sudah masuk didalam table route yaitu dengan kode O (OSPF). Selanjutnya kita juga bisa melakukan tes koneksi dari dengan menggunakan perintah PING dan perintah TRACERT untuk melihat jalur yang dilewati. Sebagai contoh kita akan melakukan perintah ping dari PC1 ke tujuan PC3, lihat dibawah hasilnya.
Perintah PING
PC>ping 192.168.3.2
Pinging 192.168.3.2 with 32 bytes of data:
Reply from 192.168.3.2: bytes=32 time=0ms TTL=126
Reply from 192.168.3.2: bytes=32 time=0ms TTL=126
Reply from 192.168.3.2: bytes=32 time=1ms TTL=126
Reply from 192.168.3.2: bytes=32 time=0ms TTL=126
Ping statistics for 192.168.3.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
PC>tracert 192.168.3.2
Tracing route to 192.168.3.2 over a maximum of 30 hops:
1 0 ms 0 ms 0 ms 192.168.1.1
2 0 ms 0 ms 0 ms 10.0.3.1
3 0 ms 0 ms 0 ms 192.168.3.2
Trace complete.
(TGS)